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Find the required probability for the normal distribution.

200 people were surveyed and asked to rate mayor Michael Bloombergs effectiveness towards education. The rate scale is 1 (lowest) to 10 (highest). Mayor Bloomberg's average rating was 7.50, with a standard deviation of 2

a) What is the proportion of people surveyed rated mayor Bloomberg from 5 to 7.5

b) What is the proportion of people surveyed rated mayor Bloomberg from 7.5 or above

c) What is the proportion of people surveyed rated mayor Bloomberg from 7.5 or below

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